YangZhou
2 years ago
committed by
GitHub
parent
2be7e5725f
commit
767f6dd4e2
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// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "recognizer/recognizer_controller.h"
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#include "recognizer/u2_recognizer.h"
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#include "nnet/u2_nnet.h"
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namespace ppspeech {
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RecognizerController::RecognizerController(int num_worker, U2RecognizerResource resource) {
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nnet_ = std::make_shared<ppspeech::U2Nnet>(resource.model_opts);
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recognizer_workers.resize(num_worker);
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for (size_t i = 0; i < num_worker; ++i) {
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recognizer_workers[i].reset(new ppspeech::U2Recognizer(resource, nnet_->Clone()));
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recognizer_workers[i]->InitDecoder();
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waiting_workers.push(i);
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}
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}
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int RecognizerController::GetRecognizerInstanceId() {
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if (waiting_workers.empty()) {
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return -1;
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}
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int idx = -1;
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{
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std::unique_lock<std::mutex> lock(mutex_);
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idx = waiting_workers.front();
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waiting_workers.pop();
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}
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return idx;
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}
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RecognizerController::~RecognizerController() {
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for (size_t i = 0; i < recognizer_workers.size(); ++i) {
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recognizer_workers[i]->SetInputFinished();
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recognizer_workers[i]->WaitDecodeFinished();
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}
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}
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std::string RecognizerController::GetFinalResult(int idx) {
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recognizer_workers[idx]->WaitDecodeFinished();
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recognizer_workers[idx]->AttentionRescoring();
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std::string result = recognizer_workers[idx]->GetFinalResult();
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recognizer_workers[idx]->InitDecoder();
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{
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std::unique_lock<std::mutex> lock(mutex_);
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waiting_workers.push(idx);
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}
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return result;
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}
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void RecognizerController::Accept(std::vector<float> data, int idx) {
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recognizer_workers[idx]->Accept(data);
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}
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void RecognizerController::SetInputFinished(int idx) {
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recognizer_workers[idx]->SetInputFinished();
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}
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}
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@ -0,0 +1,39 @@
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// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <queue>
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#include <memory>
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#include "recognizer/u2_recognizer.h"
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#include "nnet/u2_nnet.h"
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namespace ppspeech {
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class RecognizerController {
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public:
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explicit RecognizerController(int num_worker, U2RecognizerResource resource);
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~RecognizerController();
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int GetRecognizerInstanceId();
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void Accept(std::vector<float> data, int idx);
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void SetInputFinished(int idx);
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std::string GetFinalResult(int idx);
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private:
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std::queue<int> waiting_workers;
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std::shared_ptr<ppspeech::U2Nnet> nnet_;
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std::mutex mutex_;
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std::vector<std::unique_ptr<ppspeech::U2Recognizer>> recognizer_workers;
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};
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}
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